posted on 2023-08-18, 15:35authored byYuquan Li, Peng Sun, Jiang-Fei Xu, Xi Zhang
We report a microwave-responsive supramolecular adhesive
through
the construction of cross-linked networks based on the coordination
interaction between iron oxide nanoparticles and a catechol-based
polymer. By microwave irradiation, the supramolecular adhesive can
be quickly and selectively heated, causing strong adhesion for thermolabile
substrates with negligible thermal damage. It can firmly and reversibly
bond with diverse plastic substrates and shows an adhesion strength
of 3.5 MPa toward glass fiber reinforced epoxy resin. Moreover, it
displays excellent multiple reusability with almost no loss of adhesion
strength after ten times reuse. Owing to the strong penetrability
of microwave heating, it is anticipated that this kind of supramolecular
adhesive shows great potential in microelectronics and fine chemical
industry.